People often are not able to access some devices
because of health problems. There are several methods that can be used to improve the
accessibility of these devices.-
Touch
screens -
for inexperienced users
Voice recognition -
for people who cannot see
Text-to-speech, speech-to-text -
transforms speech to a text and vice versa
Braille keyboards/printers -
for people who are blind
Sip and Puff - assistive
technology used to send signals to a device using air pressure by
"sipping" (inhaling) or "puffing" (exhaling).
Simpler interface with few buttons -
for inexperienced users
Track balls - A trackball is
a computer cursor control device used in many notebook and laptop computers and
is designed for people who have difficulties moving their hand.